8' 600 Watt Powered Two-Way PA Speaker with MP3/USB/3.5mm Input Specification: 8' Woofer Compression Driver with 1' Titanium Diaphragm 3 Separate Volume Controls 1/4' Mic Inputs RCA Line Input 1/4' Line Outputs Master Volume Plays MP3s / USB Stick Power Output: 300 Watts RMS, 600 Watts Peak Crossover Frequency: 3.0 KHz Integrated 35mm Speaker Stand Mount 3.5mm Aux-In Compatible with All Digital Music Players, Including iPhone Sold as: Unit Frequency Response: 45 Hz-20 KHz Dimension: 11.8' W x 9.8' D x 17.3' H Weight: 15.24 lbs.